Home / 19,869.03-27,419.94-10,917.36

Finding the Fourth Proportional to 19,869.03, 27,419.94 and 10,917.36

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Solution

The fourth proportional to 19,869.03, 27,419.94 and 10,917.36 is: 15,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.03 : 27,419.94 = 10,917.36 : x
  2. Step 2: Convert to fraction form
    19,869.03/27,419.94 = 10,917.36/x
  3. Step 3: Cross multiply
    19,869.03x = 27,419.94 × 10,917.36
  4. Step 4: Simplify right side
    19,869.03x = 299,353,356.16
  5. Step 5: Solve for x
    x = 299,353,356.16/19,869.03
  6. Step 6: Final answer
    x = 15,066.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.